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Matching Cases Two-Stroke Style Page 1
 

             
I think that you need to understand how the 2 stroke motor works and then why you should have your cases matched. "I do not suggest that you attempt this with out supervision, at leas not your first time. Best thing to do is find an old blown up motor at a salvage yard for a few bucks and practice grinding on that."
                 Pro Circuit Charges $299.00 To split the cases and another $99.00 to match the cases. I have seen several motors after Pro Circuit has worked on them and you don't really get much for your money. They do a good job at what they do for the Consumer but they sure could do a lot more. They save most of the good stuff for the race teams. However I can not Dog Pro Circuit as I am a huge fan of the Company and all that they do for the Sport. After all ProCircuit seems to have always had more top notch racers than any single company out there, and for one good reason. THEY KNOW WHAT THEY ARE DOING...................

Here is what Pro Circuit charges

 Pro Circuit Custom Engine Work Pricelist
SKU Description Cost
MOD-001 Two-Stroke Head and Cylinder Modifications $349.95
MOD-006 Two-Stroke Match Engine Cases $99.95
MOD-007 Two-Stroke Cylinder Porting Only $279.95
MOD-008 Two-Stroke Head Mod Only $99.95
MOD-009 Two-Stroke Deck Cylinder $79.95
MOD-024 Two-Stroke Carburetor Boring $89.95
MOD-027 Four-Stroke Head Modifications $549.95
MOD-100 Replate Cylinder $249.95
MOD-103 Bore/Replate Cylinder $349.95
SRV-0100 Service Carburetor $39.95
SRV-0110 2-Stroke R&R Head/Cylinder $149.95
SRV-0120 Two-Stroke Bore/Hone Steel Cylinder $79.95
SRV-0130 R&R Motor in Frame $99.95
SRV-0140   Two-Stroke Split Engine Cases $299.95
SRV-0150 Crank Shaft Rebuild $99.95
SRV-0160 Clutch Basket Install $29.95
SRV-0300 Four-Stroke Split Engine Cases $399.95
SRV-0320 Recut Valve Seats $129.95

     You can spend over $1,000.00 just on these modifications and still need to buy a new pipe and V-force 3 reed valve and Piston, rings, gaskets and more and in the blink of an eye you have almost 1500.00 in a motor you are going to have to rebuild in a couple races anyway. You can do all this work for much less if you do it your self.

I have taken a few pictures of my new motor as I was matching the cases and Polishing the Exhaust port. I will Post more in-depth assembly in the future but for now I will show you what matching the cases really is.

Below is a working Model of a 2 stroke motor. I have had this diagram for a long time and do not remember where I got it but it illustrates perfectly how a 2 stroke motor works.

Click here to go to Page 2

To see a closer look click on the image

Page 1 - Page 2 - Page 3 - Page 4

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